Home / 16,278.13-24,417.40-5,184.78

Finding the Fourth Proportional to 16,278.13, 24,417.40 and 5,184.78

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Solution

The fourth proportional to 16,278.13, 24,417.40 and 5,184.78 is: 7,777.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,278.13 : 24,417.40 = 5,184.78 : x
  2. Step 2: Convert to fraction form
    16,278.13/24,417.40 = 5,184.78/x
  3. Step 3: Cross multiply
    16,278.13x = 24,417.40 × 5,184.78
  4. Step 4: Simplify right side
    16,278.13x = 126,598,847.17
  5. Step 5: Solve for x
    x = 126,598,847.17/16,278.13
  6. Step 6: Final answer
    x = 7,777.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.